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Finding the Fourth Proportional to 364,512.12, 546,505.72 and 223,980.36

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Solution

The fourth proportional to 364,512.12, 546,505.72 and 223,980.36 is: 335,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,512.12 : 546,505.72 = 223,980.36 : x
  2. Step 2: Convert to fraction form
    364,512.12/546,505.72 = 223,980.36/x
  3. Step 3: Cross multiply
    364,512.12x = 546,505.72 × 223,980.36
  4. Step 4: Simplify right side
    364,512.12x = 122,406,547,907.66
  5. Step 5: Solve for x
    x = 122,406,547,907.66/364,512.12
  6. Step 6: Final answer
    x = 335,809.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.